3) Andy earned 1,000$. He used 25% to buy food and 50% to pay the rent. The rest he saved. How much money did he save?

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

How to do this , and can some one explain

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )